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DE3863150D1 - METHOD FOR DETERMINING THE LIQUID CAPACITY OF POWDERED SOLIDS. - Google Patents

METHOD FOR DETERMINING THE LIQUID CAPACITY OF POWDERED SOLIDS.

Info

Publication number
DE3863150D1
DE3863150D1 DE8888113380T DE3863150T DE3863150D1 DE 3863150 D1 DE3863150 D1 DE 3863150D1 DE 8888113380 T DE8888113380 T DE 8888113380T DE 3863150 T DE3863150 T DE 3863150T DE 3863150 D1 DE3863150 D1 DE 3863150D1
Authority
DE
Germany
Prior art keywords
powder
spraying
liquid
determining
liquid capacity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8888113380T
Other languages
German (de)
Inventor
Juergen Dr Markert
Milan Krizek
Klaus Dieter Schuebel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huels AG
Original Assignee
Huels AG
Chemische Werke Huels AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19873727794 external-priority patent/DE3727794A1/en
Application filed by Huels AG, Chemische Werke Huels AG filed Critical Huels AG
Priority to DE8888113380T priority Critical patent/DE3863150D1/en
Application granted granted Critical
Publication of DE3863150D1 publication Critical patent/DE3863150D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
    • G01N11/14—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by using rotary bodies, e.g. vane
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N2011/0046—In situ measurement during mixing process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Accessories For Mixers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Lubricants (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

A process for measuring the liquid absorption capacity of a powder includes the step of spraying a liquid in the form of a spray cone at a constant throughput from at least one spraying device onto a powder being stirred in the mixing chamber of a mixer, the powder filing between 10 to 80% of the mixing chamber. The torque of the stirrer of the mixer is measured both before and during the spraying step, and from this measurement both a maximum level of the torque and the time difference between the beginning of the spraying step and the time when the maximum level is reached are determined. An amount of liquid absorption of the powder is then determined based upon the liquid mass which is sprayed during that time difference.
DE8888113380T 1987-08-20 1988-08-18 METHOD FOR DETERMINING THE LIQUID CAPACITY OF POWDERED SOLIDS. Expired - Lifetime DE3863150D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8888113380T DE3863150D1 (en) 1987-08-20 1988-08-18 METHOD FOR DETERMINING THE LIQUID CAPACITY OF POWDERED SOLIDS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873727794 DE3727794A1 (en) 1987-03-24 1987-08-20 Method of determining the liquid absorption of pulverulent solids
DE8888113380T DE3863150D1 (en) 1987-08-20 1988-08-18 METHOD FOR DETERMINING THE LIQUID CAPACITY OF POWDERED SOLIDS.

Publications (1)

Publication Number Publication Date
DE3863150D1 true DE3863150D1 (en) 1991-07-11

Family

ID=6334134

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888113380T Expired - Lifetime DE3863150D1 (en) 1987-08-20 1988-08-18 METHOD FOR DETERMINING THE LIQUID CAPACITY OF POWDERED SOLIDS.

Country Status (6)

Country Link
US (1) US4881402A (en)
EP (1) EP0307640B1 (en)
JP (1) JPH01107133A (en)
AT (1) ATE64204T1 (en)
DE (1) DE3863150D1 (en)
ES (1) ES2018461B3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5152180A (en) * 1990-11-13 1992-10-06 Hughes Aircraft Company Method and apparatus for detecting dissolution of a solid in a liquid
DE102004010504B4 (en) * 2004-03-04 2006-05-04 Degussa Ag Highly transparent laser-markable and laser-weldable plastic materials, their use and manufacture, and use of metal-mixed oxides and methods of marking of manufactured goods
US7704586B2 (en) * 2005-03-09 2010-04-27 Degussa Ag Plastic molded bodies having two-dimensional and three-dimensional image structures produced through laser subsurface engraving
US7846492B2 (en) * 2006-04-27 2010-12-07 Guardian Industries Corp. Photocatalytic window and method of making same
DE102007021199B4 (en) * 2006-07-17 2016-02-11 Evonik Degussa Gmbh Compositions of organic polymer as matrix and inorganic particles as filler, process for their preparation and their use and moldings produced therewith
DE102006034949B4 (en) * 2006-07-28 2009-04-09 Brabender Gmbh & Co.Kg Method and apparatus for determining the absorbency and kneadability of a mixture consisting of at least two media
DE102006049493A1 (en) * 2006-10-17 2008-04-24 Brabender Gmbh & Co.Kg Method for measuring the consistency of rye dough

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1648833A1 (en) * 1967-09-06 1972-02-10 Brabender Ohg Device for measuring the solidification of flowable masses
DE1698118A1 (en) * 1968-02-19 1972-01-13 Buettner Jost Dipl Ing Method and device for the continuous measurement of the composition of finely and / or coarsely dispersed molding material mixtures
US4003981A (en) * 1968-04-27 1977-01-18 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler Process of making superfine amorphous high structure silicic acid
US4062228A (en) * 1974-04-12 1977-12-13 Donald P. Matula Powder moisture meter
US3952584A (en) * 1975-03-04 1976-04-27 Lichstein Bernard M Measurement of absorbency characteristics of absorbent structures
US4560524A (en) * 1983-04-15 1985-12-24 Smuckler Jack H Method of manufacturing a positive temperature coefficient resistive heating element
AT387465B (en) * 1985-06-07 1989-01-25 Vianova Kunstharz Ag METHOD FOR DETERMINING THE GELL TIME OF REACTION RESIN AND DEVICE FOR IMPLEMENTING THE METHOD
DE3606356A1 (en) * 1986-02-27 1987-09-03 Huels Chemische Werke Ag Process for measuring the oil absorption capacity of rubber powder batch

Also Published As

Publication number Publication date
ES2018461A4 (en) 1991-04-16
EP0307640B1 (en) 1991-06-05
ES2018461B3 (en) 1991-12-16
EP0307640A2 (en) 1989-03-22
ATE64204T1 (en) 1991-06-15
JPH01107133A (en) 1989-04-25
EP0307640A3 (en) 1989-06-28
US4881402A (en) 1989-11-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee